Difference between revisions of "GEOS-Chem model development priorities"

Latest revision as of 15:59, 28 June 2024

On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the Working Groups and the Steering Committee. For history of past releases see the GEOS-Chem Versions wiki page.

Merged and awaiting release

See the links below for items merged and awaiting release.

Mergeable at any time	Version in development
GEOS-Chem no-diff-to-benchmark	GEOS-Chem 14.5.0

Feature integration in progress

Features listed in this table are actively being integrated into GEOS-Chem by the GEOS-Chem Support Team. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.

Feature	Contributor(s)	Model scope	Ease of implementation	Notes and References
ALK4 & R4N2 chemistry	Jared Brewer (UMN)	Chemistry	Simple	geos-chem PR #1625 Brewer, J.F. et al., J. Geophys. Res., 2023.
New soil NOx parameterization	Yi Wang (Iowa) Jun Wang (Iowa)	Emissions	Medium	geos-chem issue #1288 Incorporates new met field TSOIL1
Fix pressure handling in HEMCO standalone	Melissa Sulprizio (Harvard)	HEMCO	Simple	HEMCO issue #277
Fix obspack - not working in 14.4.0	Bob Yantosca (Harvard)	Diagnostics	Medium	geos-chem issue #2328
Horizontal flux regridding fix in MAPL	Tom Clune (GMAO)	GCHP	Medium	MAPL PR #36
Cloud-J 7.7.2 for greater flexibility in external models	Lizzie Lundgren (Harvard)	Photolysis	Medium	Cloud-J PR #17 geos-chem PR #2342 geos-chem PR #2553 Cloud-J PR #19
GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs	Lizzie Lundgren (Harvard)	GCHP	Medium	geos-chem PR #2326
Fixes for GEOS-Chem 14.4 in CESM	Haipeng Lin (Harvard) Lizzie Lundgren (Harvard)	CESM	Medium	geos-chem PR #2348 geos-chem PR #2349 More PRs in progress

Prioritized and in the queue

Features listed in this table are prioritized for integration into GEOS-Chem in the near future.

Feature	Contributor(s)	Model scope	Ease of implementation	Delivery status	Notes and References
New version of CEDS at 0.1 deg	Dandan Zhang (WashU)	Emissions	Simple	Delivered June 2024	geos-chem issue #1745
Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4	Lizzie Lundgren (Harvard)	GC-Classic	Medium		HEMCO issue #18

Ready to go in

Features listed in this table are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.

Feature	Contributor(s)	Model scope	Delivery status	Notes and Refereneces
Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol	Camilo Serrano (McGill) Andreas Zuend (McGill)	Aerosols	Not delivered
Extend aerosol settling	Eloise Marais (UCL)	Aerosols	Not delivered
Comment back in Ca, Mg, and K cations in aerosol thermo (HETP)	Becky Alexander (UW)	Aerosols	Not delivered
Seasalt aerosol from sea ice leads (2002-2011)	Hannah Horrowitz (UIUC)	Aerosols	Not delivered	Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
P/L species should not contribute to the error norm	Obin Sturm (USC)	Chemistry	Not delivered
Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6	Katie Travis (NASA LARC)	Chemistry	Not delivered
Monoterpene oxidation more species & oxidation products	Kevin Bates (CU Boulder)	Chemistry	Not delivered
PPN photolysis	Eloise Marais (UCL)	Chemistry	Not delivered
Global organic N dep from various emissions; nitrate aromatics updates	May Fu (SUSTech)	Chemistry + Deposition	Not delivered
ALK4 from biogenic vs anthro	Jared Brewer (UMN)	Chemistry	Not delivered
Dry deposition to F90 to improve readability	Chris Holmes (FSU)	Dry Deposition	Not delivered
Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange	Joey Lam (CUHK) Amos Tai (CUHK)	Dry deposition	Delivered Feb 2021	geos-chem PR #629
FRP-based fire emissions for eastern US at 0.2 (2019-2020)	Chris Holmes (FSU)	Emissions	Not delivered
China agriculture NH3 emissions	Amos Tai (CUHK)	Emissions	Not delivered
T-dependent anthropogenic VOCs	May Fu (SUSTech)	Emissions	Not delivered	Option. Requires processing existing anthropogenic VOC emissions to generate offline emissions to read in. Parameterised for China.
New source functions for transport tracers beryllium-7 and beryllium-10	Minjie Zheng (ETH)	Emissions	Delivered June 2024	Available at https://zenodo.org/records/8372652
LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100	Yang Li (Baylor U) Loretta Mickley (Harvard)	Emissions	Delivered	Data involves many files- need to think about temporal frequency
Australian emissions	Stephen MacFarlane (Wollongong) Jenny Fisher (Wollongong)	Emissions	Not delivered
Hg geogenic emissions (volcanic, rock weathering)	Eric Roy (MIT)	Emissions	Not delivered
Hg biomass burning - FINN2.5 & GFED4	Eric Roy (MIT)	Emissions	Not delivered
BCC-GC online	Lin Zhang (PKU)	External Model	Not delivered
GC-YIBS with online fire emissions	Xu Yue (NUIST) Hong Liao (NUIST)	External Model	Not delivered
GISS-GC offline (GCAP)	Lee Murray (Rochester)	GCAP	Not delivered
Archived TCR-2 OH fields for carbon simulations	Kazu Miyazaki (JPL)	Input data	Not delivered	This will be the default OH, but users will have the option of selecting other OH fields

Almost there (< 6 months)

Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team within the next 6 months.

Feature	Contributor(s)	Model scope	Notes and References
Capture all trop and PBL height changes in budget diagnostics	Chris Holmes (FSU) Lizzie Lundgren (Harvard)	Diagnostics	geos-chem PR 2103
Dust non-sphericity impacts on optical properties	Inderjeet Singh (WashU)	Aerosols
Fixes to stratospheric aerosol settling	Connor Barker (UCL) Eloise Marais (UCL)	Aerosols
DMS chemistry in v14	Linia Tashmim (UCR) Will Porter (UCR)	Chemistry
KPP standalone + 3D Interface	Obin Sturm (USC)	Chemistry
Load balancing in chemistry solver (GCHP)	Zhouran (Jordan) Sun (WashU)	Chemistry + Performance
UCX chemistry in mesosphere (GCHP/GCClassic)	Helena McDonald (MIT)	Chemistry
Updated aromatic oxidation	Stephen MacFarlane (Wollongong) Jenny Fisher (Wollongong)	Chemistry
MCO3 uptake by cloud forming MP; leading to lower PAN	Laura Yang (Harvard)	Chemistry
Implement isotope simulation for CH4 in the carbon simulation	Lee Murray (Rochester)	Chemistry	Will have to change negative emissions from soil to a first-order loss process
Active mesospheric chemistry	Helena McDonald (MIT) Seb Eastham (ICL)	Chemistry
Documentation for adding additional aerosol species	Connor Barker (UCL)	Documentation
Column diagnostics	Lizzie Lundgren (Harvard) Viral Shah (GMAO)	Diagnostics
TOMAS rate diagnostics -- improve performance	Betty Croft (WashU/Dal)	Diagnostics + Performance
Archive gamma values from heterogeneous chemistry	Bob Yantosca (Harvard)	Diagnostics
RRTMG Documentation	GCST	Documentation
Canopy Physics Model	Sam Silva (MIT)	Dry Deposition
Dry deposition diagnostics by land cover	Holly Nowell (FSU) Chris Holmes (FSU)	Dry Deposition
Dry deposition process diagnostics	Holly Nowell (FSU) Chris Holmes (FSU)	Dry Deposition
Biomass burning for TOMAS	Nicole June (CSU)	Emissions + Microphysics
Historic biomass burning (1750-2010)	Pengfei (Gtech)	Emissions
Rice methane emissions	Zichong Cheng (Harvard)	Emissions+ Carbon simulation
Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)	Katie Travis (NASA) Kelvin Bates (CU Boulder)	Emissions
Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)	Tia Scarpelli (Carbon Mapper) Melissa Sulprizio (Harvard)	Emissions
New prior CO2 biospheric fluxes from CMS-FLUX and GMAO	Kevin Bowman (JPL) Lesley Ott (GMAO)	Emissions	GMAO can provide high-resolution fluxes (as high as 12 km)
Snowpack Br2 emission	Chris Holmes (FSU)	Emissions
EDGAR v8.1_toxHg emissions for 1970-2022	Eric Roy (MIT)	Emissions
Improve pressure handling in GCHP advection	Yuanjian Zhang (WashU) Seb Eastham (ICL)	GCHP
Add error trap for duplicate scale factors in HEMCO	Bob Yantosca (Harvard)	HEMCO
Integration testing: Add stretched grid	Lizzie Lundgren (Harvard)	Quality Assurance
Integration testing: Add GCAP2	GCST	Quality Assurance
Integration testing: Add GCHP mass flux run	Lizzie Lundgren (Harvard)	Quality Assurance
Integration testing: Add run with all diagnostics turned on	GCST	Quality Assurance
Integration testing: Reinstate TOMAS40	Betty Croft (Dalhousie/WashU)	Quality Assurance
Strat-adjusted RF in GCC and GCHP	Connor Barker (UCL) Eloise Marais (UCL)	Radiation
Continue cleanup of C-preprocessor switches	Lizzie Lundgren (Harvard)	Structural
Updates to Luo deposition scheme	Gan Luo (Albany)	Wet Deposition	New version, keep as switch (not default)
Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer	Gan Luo (Albany) Fangqun Yu (Albany)	Wet Deposition

Over the horizon (6-12 months)

Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 6-12 months timeframe.

Feature	Contributor(s)	Model scope
ML algorithms for bulk aerosol	Arshad Nair (Albany) Fangqun Yu (Albany)	Aerosols
Heterogeneous sulfate chemistry	Katie Travis (NASA)	Chemistry
H2 as an active species	Seb Eastham (ICL)	Chemistry
HCN, acetonitrile as fire tracers	Kevin Bates (CU Boulder)	Chemistry
Implement ethane in carbon simulation	Yuzhong Zhang (Westlake)	Chemistry
VCPs emissions	Kelvin Bates (CU Boulder)	Emissions
Mesospheric source of CO	Dylan Jones (UofT) Pam Wales (NASA GSFC)	Emissions
Drought-stress algorithm	Wei Li (Houston)	Emissions
Physically-based resolution correction for BVOC emissions using MEGAN	May Fu (SUSTech)	Emissions
Canadian forest fire prediction system (Canada government forecast model)	Robin Stevens (Montreal)	Emissions
Furan emission factors (updates existing emissions)	Lu Hu (Montana) Lixu Jin (Montana)	Emissions
Cooking emissions (not biofuel)	Kelvin Bates (CU Boulder)	Emissions
State-specific annual emissions scaling factors (US) (1990-2021)	Ishir Dutta (MIT)	Emissions
GISS-GC online	Lee Murray (Rochester)	External model
Hybrid MPI-OpenMP in GCHP	Seb Eastham (MIT) Killian Murphy (York) Lizzie Lundgren (Harvard)	GCHP
MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Wildcards in GCHP History	Lizzie Lundgren (Harvard)	GCHP
MAPL3: Output emissions with positive up convention in GCHP	Lizzie Lundgren (Harvard)	GCHP
Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone	Bob Yantosca (Harvard)	Performance
Photophysical oxidation of aldehydes	Paulo Sebastianelli (Wollongong) Jenny Fisher (Wollongong)	Chemistry
DMS updates	Will Porter (UCR)	Chemistry
Furans emission and chemistry	Lixu Jin (Montana) Lu Hu (Montana)	Chemistry + Emissions
Cl2 prodcution from Fe aerosol	Qianjie Chen (HK Poly) Becky Alexander (UW)	Chemistry
VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN	Kevin Bates (CU Boulder)	Emissions
bidirectional land-atmosphere exchange for Hg	Yuying Cui (MIT/Tsinghua)	Hg simulation
OH covariances for inversions	Elise Penn (Harvard)	Inversions
CESM2-GC offline	Seb Eastham (ICL) Lee Murray (Rochester)	Met fields
Re-binning of off-line sea salt and dust for TOMAS	Betty Croft (Dalhousie)	Microphysics
TOMAS nucleation updates	Sam O'Donnell (CSU)	Microphysics
Stratospheric aerosol APM	Fangqun Yu (SUNY Albany)	Microphysics
Transition from MERRA-2 to GEOS-IT for benchmarking	Yuanjian Zhang (WashU)	Quality Assurance
Automate integration testing on AWS	Yidan Tang (WashU)	Quality Assurance
Integration testing: Add across end of year run	GCST	Quality Assurance
Integration testing: Add GEOS-IT	Yuanjian Zhang (WashU)	Quality Assurance
Separate mixing, emissions, and drydep	Yuanjian Zhang (WashU)	Structural
Intel IFX compiler	Bob Yantosca (Harvard)	Structural
CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code	Bob Yantosca (Harvard) Lee Murray (Rochester)	Structural
Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO	Lizzie Lundgren (Harvard)	Structural
Limit allocation of State_Met to what is needed per simulation	Melissa Sulprizio (Harvard)	Structural

Longer term (12-24 months)

Features listed in this table are in development and will likely be delivered to the GEOS-Chem Support Team in the 12-24 months timeframe.

Feature	Contributor(s)	Model scope
Modal aerosol model (MAM7) in GCHP	Shreya Sharma (MIT)	Aerosols
Online OCIM ocean biogeochemistry	Lee Murray (Rochester) Hannah Horowitz (UIUC) Chris Holmes (FSU)	Chemistry
Perchlorate chemistry	Yuk Chun Chan (UW)	Chemistry
Non-stomatal dry deposition (2-layer canopy model)	Michael Vermeuel (Purdue)	Dry Deposition
Continental chloride particle emissions (salty dust, road salt)	Jessica Haskins (Utah)	Emissions
Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.	Ruochong (Tshingua)	Emissions
Lightning NOx production rates	Bex Horner (UCL)	Emissions
HFO and CF3CHO	Beth Killen (Wollongong) Jenny Fisher (Wollongong)	Chemistry
Glyoxal updates from isoprene	Tzung-May Fu (SUSTech)	Chemistry
Iodine chemistry	Becky Alexander (UW) Xuan Wang (CUHK)	Chemistry
Chlorine/Perchlorate	Yukchun Chan (UW)	Chemistry
Playa dust chemistry to improve Cl over land	Jessica Haskins (Utah)	Chemistry
GFED5 biomass burning	Eric Roy (MIT)	Emissions
Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble	Eric Roy (MIT) Ari Feinberg (IQF-CSIC)	Hg simulation
Soil Hg emissions 2010-2020	Eric Roy (MIT) Ari Feinberg (IQF-CSIC)	Hg simulation
Air-sea exchange parameterization	Eric Roy (MIT)	Hg simulation
Soil Hg emissions parameterization	Ari Feinberg (IQF-CSIC)	Hg simulation
Sea salt uptake of GOM	Eric Roy (MIT)	Hg simulation
Photoreduction rate constant	Eric Roy (MIT)	Hg simulation
new observations (2010-2020) in standardized Hg benchmark for intercomparison	Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)	Hg simulation
Hg simulation in GCHP	Eric Roy (MIT)	Hg simulation
OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)	Hannah Horowitz (UIUC)	Hg simulation
possibly updating Hg oxidation chemistry based on Utah field campaigns	Jessica Haskins (Utah)	Hg simulation
New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online	Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)	Input data
Extend IMI to CO2 (ICI)	Hannah Nesser (JPL)	Inversions
Global emission inventory of metals	Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)	Metals simulation
Investigate and improve performance of aerosol chemistry	Bob Yantosca (Harvard)	Performance
PAH - update from version 11	Lexia Cicone (MIT)	POPs simulation
Species database more accessible; doc updates; TOL discussion	Jessica Haskins (Utah)	Structural
Stretched-grid plotting in GCPy	Killian Murphy (York)	Tools
Model inter-comparison of transport (GEOS, GCHP, GCClassic)	Lizzie Lundgren (Harvard), Emma Knowland (NASA)	Transport
Comparing mass fluxes in GCHP vs. traditional lat/lon wind	Yuanjian Zhang (WashU), Seb Eastham (ICL)	Transport

Difference between revisions of "GEOS-Chem model development priorities"

Latest revision as of 15:59, 28 June 2024

Contents

Merged and awaiting release

Feature integration in progress

Prioritized and in the queue

Ready to go in

Almost there (< 6 months)

Over the horizon (6-12 months)

Longer term (12-24 months)

Navigation menu

Personal tools

Namespaces

Variants

Views

More

Search

Navigation

Tools

@@ Line 1: / Line 1: @@
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the [https://geos-chem.seas.harvard.edu/geos-working-groups Working Groups] and the [https://geos-chem.seas.harvard.edu/geos-steering-cmte Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
-On this page we list the current priorities for GEOS-Chem development. This list is continuously updated based on code readiness and input from the [http://acmg.seas.harvard.edu/geos/geos_working_groups.html Working Groups] and the [http://acmg.seas.harvard.edu/geos/geos_steering_cmte.html Steering Committee]. For history of past releases see the [[GEOS-Chem_versions|GEOS-Chem Versions wiki page]].
-== Release schedule ==
-Please see the [http://wiki.seas.harvard.edu/geos-chem/images/e/e1/GEOS-Chem_Release_Proposal.pdf GEOS-Chem Release Proposal] outlining the procedure and schedule for releasing GEOS-Chem versions.
 == Merged and awaiting release ==
@@ Line 13: / Line 7: @@
 {| border=1 cellspacing=0 cellpadding=5
 |-bgcolor="#CCCCCC"
-!width="200px"|Patch version in development
+!width="300px"|Mergeable at any time
-!width="200px"|Major version in development
+!width="200px"|Version in development
 |-valign="top"
-|align="center"| -
+|align="center"|'''[[GEOS-Chem no-diff-to-benchmark]]'''
-|align="center"|'''[[GEOS-Chem 14.0.0]]'''
+|align="center"|'''[[GEOS-Chem 14.5.0]]'''
 |}
@@ Line 24: / Line 18: @@
 == Feature integration in progress ==
-Features listed in this table are actively being integrated into GEOS-Chem by the [[GEOS-Chem Support Team]]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.
+Features listed in this table are actively being integrated into GEOS-Chem by the [https://geoschem.github.io/support-team.html GEOS-Chem Support Team]. In addition, we continuously implement structural updates in the model to maintain and develop coupling with other models including GEOS, CESM, and the model adjoint.
 {| border=1 cellspacing=0 cellpadding=5
@@ Line 35: / Line 29: @@
 |-valign="top"
-|[https://acp.copernicus.org/articles/19/7055/2019/ Joint CO2-CO-CH4-OCS simulation via KPP]
+|ALK4 & R4N2 chemistry
-|Beata Bukosa (NIWA)<br>Kevin Bowman (JPL)<br>Mike Long (Harvard)
+|Jared Brewer (UMN)
-|Specialty simulation
+|Chemistry
-|Medium
+|Simple
 |
-*[https://github.com/geoschem/geos-chem/issues/654 geoschem/geos-chem #654]
+*[https://github.com/geoschem/geos-chem/pull/2352 geos-chem PR #1625]
+*[https://acmg.seas.harvard.edu/files/acmg/files/brewer2022.pdf Brewer, J.F. et al., J. Geophys. Res., 2023.]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/331 Provide climatologies for open fire emissions]
+|[https://github.com/geoschem/geos-chem/issues/1288 New soil NOx parameterization]
-|Melissa Sulprizio (Harvard)
+|Yi Wang (Iowa)<br>Jun Wang (Iowa)
 |Emissions
-|Easy
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/issues/1288 geos-chem issue #1288]
+*Incorporates new met field TSOIL1
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/655 Climatologies for lightning NOx]
+|Fix pressure handling in HEMCO standalone
-|Lee Murray (Rochester)<br>Melissa Sulprizio (Harvard)
+|Melissa Sulprizio (Harvard)
-|Emissions
+|HEMCO
-|Easy
+|Simple
 |
+*[https://github.com/geoschem/HEMCO/issues/277 HEMCO issue #277]
 |-valign="top"
-|[[Grid-independent_emissions|Updated offline biogenic emissions]]
+|Fix obspack - not working in 14.4.0
-|Hongjian Weng (PKU)
+|Bob Yantosca (Harvard)
-|Emissions
-|Easy
-|
-*Delivered to GCST (Dec 2021)
-|-valign="top"
-|[[Grid-independent_emissions|Updated offline soil NOx emissions]]
-|Hongjian Weng (PKU)
-|Emissions
-|Easy
-|
-*Delivered to GCST (Dec 2021)
-|-valign="top"
-|[https://github.com/geoschem/geos-chem/discussions/1022 Add new species concentration diagnostic in units of molec/cm3]
-|Haipeng Lin (Harvard)
 |Diagnostics
-|Easy
+|Medium
 |
-*See [https://github.com/geoschem/geos-chem/pull/1264 geoschem/geos-chem PR #1264]
+*[https://github.com/geoschem/geos-chem/issues/2328 geos-chem issue #2328]
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/770 Output satellite diagnostics as NetCDF]
+|Horizontal flux regridding fix in MAPL
-|Eloise Marais (UCL)
+|Tom Clune (GMAO)
-|Diagnostics
+|GCHP
-|Easy
+|Medium
 |
-*See [https://github.com/geoschem/geos-chem/pull/1134 geoschem/geos-chem #1134]
+*[https://github.com/geoschem/MAPL/pull/36 MAPL PR #36]
 |-valign="top"
-|Upgrade Fast-JX to Cloud-J
+|Cloud-J 7.7.2 for greater flexibility in external models
 |Lizzie Lundgren (Harvard)
-|Structural
+|Photolysis
-|Difficult
+|Medium
 |
-* [https://github.com/geoschem/cloud-j geoschem/cloud-j]
+*[https://github.com/geoschem/Cloud-J/pull/17 Cloud-J PR #17]
-*Ongoing
+*[https://github.com/geoschem/geos-chem/pull/2342 geos-chem PR #2342]
+*[https://github.com/geoschem/geos-chem/pull/2353 geos-chem PR #2553]
+*[https://github.com/geoschem/Cloud-J/pull/19 Cloud-J PR #19]
 |-valign="top"
-|Column diagnostics
+|GCHP run directory improvements for mass flux, stretched grid, and GEOS-IT runs
-|Bob Yantosca (Harvard)
+|Lizzie Lundgren (Harvard)
-|Diagnostics
+|GCHP
-|Easy
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/pull/2326 geos-chem PR #2326]
 |-valign="top"
-|RO2 diagnostic
+|Fixes for GEOS-Chem 14.4 in CESM
-|Melissa Sulprizio (Harvard)
+|Haipeng Lin (Harvard)<br>Lizzie Lundgren (Harvard)
-|Diagnostics
+|CESM
-|Easy
+|Medium
 |
+*[https://github.com/geoschem/geos-chem/pull/2348 geos-chem PR #2348]
+*[https://github.com/geoschem/geos-chem/pull/2349 geos-chem PR #2349]
+* More PRs in progress
 |}
-== Delivered and in the queue ==
+== Prioritized and in the queue ==
-Features listed in this table have been delivered to the GEOS-Chem Support Team and are prioritized to be integrated into GEOS-Chem in the near future.
+Features listed in this table are prioritized for integration into GEOS-Chem in the near future.
 {| border=1 cellspacing=0 cellpadding=5
@@ Line 123: / Line 110: @@
 !width="100px"|Model scope
 !width="100px"|Ease of implementation
+!width="100px"|Delivery status
 !width="300px"|Notes and References
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2475/2020/gmd-13-2475-2020.pdf Adaptive chemical solver] (as option) / KPP 3.0.0
+|New version of CEDS at 0.1 deg
-|Mike Long (Harvard) <br> Haipeng Lin (Harvard) <br> Bob Yantosca (GCST) <br> Lu Shen (PKU)
+|Dandan Zhang (WashU)
-|Chemistry
+|Emissions
-|Difficult
+|Simple
+|Delivered June 2024
 |
-*In testing, publication expected in mid-to-late 2022
+*[https://github.com/geoschem/geos-chem/issues/1745 geos-chem issue #1745]
-*Previous literature: [https://gmd.copernicus.org/articles/15/1677/2022/ Shen et al., 2022], [https://gmd.copernicus.org/articles/13/2475/2020/ Shen et al., 2020]
 |-valign="top"
-|TOMAS in GCHP
+|Remove differences in GC-Classic due to HEMCO reading REAL8 restart as REAL4
-|Betty Croft (WashU)
+|Lizzie Lundgren (Harvard)
-|Aerosols
+|GC-Classic
-|Easy
+|Medium
-|See:
-*[https://github.com/geoschem/GCHP/pull/221 geoschem/GCHP PR #221]
-*[https://github.com/geoschem/geos-chem/pull/1261 geoschem/geos-chem PR #1261]
-*[https://github.com/geoschem/HEMCO/pull/145 geoschem/HEMCO PR #145]
-|-valign-"top"
-|[https://github.com/arifein/pythonHgBenchmark Updated Hg benchmarking scripts in python]
-|Ari Feinberg (MIT)
-|Benchmarking
-|Easy
 |
-* Ideally to be incorporated in GCPy
-|-valign="top"
-|Tagged O3 simulation in GCHP
-|Xingpei Yu (PKU)
-|TagO3 simulation
 |
-*[https://github.com/geoschem/geos-chem/pull/1167 geoschem/geos-chem PR #1167]
+*[https://github.com/geoschem/HEMCO/issues/18 HEMCO issue #18]
-* Needs to be updated to a more recent version of GCHP
 |}
-== Delivered but not yet prioritized ==
+== Ready to go in ==
-Features listed in this table have been delivered to the GEOS-Chem Support Team but are not yet prioritized for integrating into the model.
+Features listed in this table are ready to go in but have either not been delivered or are not yet prioritized for integration into GEOS-Chem.
 {| border=1 cellspacing=0 cellpadding=5
@@ Line 171: / Line 142: @@
 !width="200px"|Contributor(s)
 !width="100px"|Model scope
-!width="100px"|Ease of implementation
+!width="100px"|Delivery status
-!width="300px"|Notes and References
+!width="300px"|Notes and Refereneces
 |-valign="top"
-|[https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2006GL026015 Stratospheric HCN chemistry]
+|Binary Activity Thermodynamic (BAT) model for non-ideal mixing of water and organics in organic aerosol
-|Armin Kleinbohl (JPL)<br>Debra Weisenstein (Harvard, retired)
+|Camilo Serrano (McGill)<br>Andreas Zuend (McGill)
-|Chemistry
+|Aerosols
-|Medium
+|Not delivered
 |
-*Delivered to GCST (Jun 2020)
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/pull/629 Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange]
+|Extend aerosol settling
-|Joey Lam(CUHK)<br>Amos Tai (CUHK)
+|Eloise Marais (UCL)
-|Science
+|Aerosols
-|Easy
+|Not delivered
 |
-*Delivered to GCST (Feb 2021)
-* [https://github.com/geoschem/geos-chem/pull/629 geoschem/geos-chem #629]
 |-valign="top"
-|Landcover/Fire Emissions Offline LPJlmfire
+|Comment back in Ca, Mg, and K cations in aerosol thermo (HETP)
-|Loretta Mickley (Harvard)<br>Yang Li (Harvard)
+|Becky Alexander (UW)
-|Emissions
+|Aerosols
-|Easy
+|Not delivered
 |
-*Data files delivered to GCST (July 2021)
-|}
+|-valign="top"
+|Seasalt aerosol from sea ice leads (2002-2011)
-== Ready but not delivered ==
+|Hannah Horrowitz (UIUC)
+|Aerosols
-Features listed in this table are ready but have not been delivered to the GEOS-Chem Support Team.
+|Not delivered
+|
-{| border=1 cellspacing=0 cellpadding=5
+*Offline and online, ready to go in HEMCO (optional in addition to existing seasalt emissions)
-|-bgcolor="#CCCCCC"
-!width="200px"|Feature
-!width="200px"|Contributor(s)
-!width="100px"|Model scope
-!width="300px"|Notes and References
 |-valign="top"
-|Furans / Biomass burning
+|P/L species should not contribute to the error norm
-|Colette Heald (MIT)<br>Tess Carter (MIT)
+|Obin Sturm (USC)
 |Chemistry
+|Not delivered
 |
 |-valign="top"
-|Online H2 chemistry
+|Additional 6 peroxynitrates (many PANs like species); improve ALK4 & add ALK6
-|Maria Paula Pérez-Peña (UNSW)<br>Jenny Fisher (UOW)<br>Dylan Millet (UMN)
+|Katie Travis (NASA LARC)
 |Chemistry
+|Not delivered
 |
 |-valign="top"
-|Alk4 & R4N2 chemistry
+|Monoterpene oxidation more species & oxidation products
-|Jared Brewer (Harvard)
+|Kevin Bates (CU Boulder)
 |Chemistry
+|Not delivered
 |
 |-valign="top"
-|Organic acids (RCOOH)
+|PPN photolysis
-|Katie Travis (NASA)
+|Eloise Marais (UCL)
 |Chemistry
+|Not delivered
 |
 |-valign="top"
-|Fix C2H4 chemistry bug
+|Global organic N dep from various emissions; nitrate aromatics updates
-|Lixu Jin (UMT)
+|May Fu (SUSTech)
+|Chemistry +<br>Deposition
+|Not delivered
+|
+|-valign="top"
+|ALK4 from biogenic vs anthro
+|Jared Brewer (UMN)
 |Chemistry
+|Not delivered
 |
 |-valign="top"
-|Blowing snow sea salt in TOMAS
+|Dry deposition to F90 to improve readability
-|Betty Croft (Dalhousie)
+|Chris Holmes (FSU)
-|Aerosols
+|Dry Deposition
+|Not delivered
 |
 |-valign="top"
-|Global continental chlorine (pCl and HCl) emissions
+|Ecophysiology module in GEOS-Chem for biosphere-atmosphere exchange
-|Pengfei Liu (GTech)
+|Joey Lam  (CUHK)<br>Amos Tai (CUHK)
+|Dry deposition
+|Delivered<br>Feb 2021
+|
+*[https://github.com/geoschem/geos-chem/pull/629 geos-chem PR #629]
+|-valign="top"
+|FRP-based fire emissions for eastern US at 0.2 (2019-2020)
+|Chris Holmes (FSU)
 |Emissions
+|Not delivered
 |
 |-valign="top"
-|Geologic short-chain alkanes
+|China agriculture NH3 emissions
-|Matthew R. (York)
+|Amos Tai (CUHK)
 |Emissions
+|Not delivered
 |
 |-valign="top"
-|New version of CEDS at 0.1 deg
+|T-dependent anthropogenic VOCs
-|Emma Knowland (NASA)
+|May Fu (SUSTech)
 |Emissions
+|Not delivered
 |
+*Option. Requires processing existing anthropogenic VOC emissions to generate offline emissions to read in. Parameterised for China.
 |-valign="top"
-|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
+|New source functions for transport tracers beryllium-7 and beryllium-10
-|Yang Li (Baylor University)<br>Loretta Mickley (Harvard)
+|Minjie Zheng (ETH)
 |Emissions
+|Delivered<br>June 2024
 |
+*Available at https://zenodo.org/records/8372652
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/550 MEIC (China regional) for 2000-2017 at 0.5x0.625 deg]
+|LPJ land cover (global), fire (W US), dust emissions (SW N America), 1700-2100
-|Shixian Zhai (Harvard)
+|Yang Li (Baylor U)<br>Loretta Mickley (Harvard)
 |Emissions
+|Delivered
 |
-* Need permission from Qiang Zhang (Tsinghua U.) to distribute data
+*Data involves many files- need to think about temporal frequency
 |-valign="top"
-|KORUS-AQ emissions for East Asia
+|Australian emissions
-|Katie Travis (NASA)
+|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
 |Emissions
+|Not delivered
 |
-* Need permission to distribute data
 |-valign="top"
-|[https://pubs.rsc.org/en/content/articlehtml/2022/em/d2em00032f Improvements in modelled Hg0 dry deposition to land]
+|Hg geogenic emissions (volcanic, rock weathering)
-|Ari Feinberg (MIT)<br>Noelle Selin (MIT)<br>Thandolwethu Dlamini (MIT)<br>Martin Jiskra (UBasel)<br>Viral Shah (Harvard)
+|Eric Roy (MIT)
-|Hg simulation
+|Emissions
+|Not delivered
 |
-* The study is already published and could be incorporated into the standard model as a default. Some tweaking to the reduction rate may be required as the model halogen oxidation has also been updated in v13.4.
 |-valign="top"
-|[https://doi.org/10.34894/SZ2KOI AMAP 2015 emissions from GMA2018]
+|Hg biomass burning - FINN2.5 & GFED4
-|Helene Angot(MIT)<br>Ari Feinberg (MIT)<br>Noelle Selin (MIT)
+|Eric Roy (MIT)
-|Hg simulation
+|Emissions
+|Not delivered
 |
-* Helene Angot has gridded these for input into HEMCO and these could be uploaded from our MIT group servers to the GEOS-Chem HEMCO database.
-|-valign-"top"
+|-valign="top"
-|[https://pubs.rsc.org/en/content/articlelanding/2022/EM/D2EM00019A Australian anthropogenic Hg emissions]
+|BCC-GC online
-|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)<br> Hannah Horowitz (U. Illinois)<br>Viral Shah (Harvard)
+|Lin Zhang (PKU)
-|Hg simulation
+|External Model
+|Not delivered
 |
-|-valign-"top"
+|-valign="top"
-|WRF-GC Hg simulation
+|GC-YIBS with online fire emissions
-|Xiaotian Xu (Nanjing U.)<br>Yanxu Zhang (Nanjing U.)
+|Xu Yue (NUIST)<br>Hong Liao (NUIST)
-|Hg simulation<br>WRF-GC
+|External Model
+|Not delivered
 |
 |-valign="top"
-|Updated HgII gas-partical partitioning
+|GISS-GC offline (GCAP)
-|Kaiyun Liu (Tsinghua U.)<br>Qingru Wu (Tsinghua U.)<br>Shuxiao Wang (Tsinghua U.)
+|Lee Murray (Rochester)
-|Hg simulation
+|GCAP
+|Not delivered
 |
-* Should be option, not default
 |-valign="top"
-|Dry deposition to F90 (readability)
+|Archived TCR-2 OH fields for carbon simulations
-|Chris Holmes (FSU)
+|Kazu Miyazaki (JPL)
-|Dry deposition
+|Input data
+|Not delivered
 |
+*This will be the default OH, but users will have the option of selecting other OH fields
 |}
@@ Line 340: / Line 335: @@
 |-valign="top"
-|DMS Chemistry
+|Capture all trop and PBL height changes in budget diagnostics
-|Linia Tashmim (UC Riverside)<br>William Porter (UC Riverside)
+|Chris Holmes (FSU)<br>Lizzie Lundgren (Harvard)
-|Chemistry
+|Diagnostics
 |
+*[https://github.com/geoschem/geos-chem/pull/2103 geos-chem PR 2103]
 |-valign="top"
-|PPN+hv, PPN+OH
+|Dust non-sphericity impacts on optical properties
-|Robert Ryan (UCL)
+|Inderjeet Singh (WashU)
-|Chemistry
+|Aerosols
+|
+|-valign="top"
+|Fixes to stratospheric aerosol settling
+|Connor Barker (UCL)<br>Eloise Marais (UCL)
+|Aerosols
 |
 |-valign="top"
-|MBO
+|DMS chemistry in v14
-|Michael Vermeuel (UMN)
+|Linia Tashmim (UCR)<br>Will Porter (UCR)
 |Chemistry
 |
 |-valign="top"
-|Nitrate photolysis
+|KPP standalone + 3D Interface
-|Viral Shah (NASA GMAO)
+|Obin Sturm (USC)
 |Chemistry
 |
 |-valign="top"
-|[https://github.com/geoschem/geos-chem/issues/1094 Stratospheric adjustment with RRTMG in GEOS-Chem]
+|Load balancing in chemistry solver (GCHP)
-|Seb Eastham (MIT)
+|Zhouran (Jordan) Sun (WashU)
-|Science
+|Chemistry +<br>Performance
 |
 |-valign="top"
-|Re-binning of off-line sea salt and dust for use in TOMAS
+|UCX chemistry in mesosphere (GCHP/GCClassic)
-|Betty Croft (Dalhousie)
+|Helena McDonald (MIT)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|Adaption of TOMAS' in-cloud aqueous sulfate production for KPP versus sulfate_mod.F90
+|Updated aromatic oxidation
-|Betty Croft (Dalhousie)
+|Stephen MacFarlane (Wollongong)<br>Jenny Fisher (Wollongong)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|ML algorithms for bulk aerosols
+|MCO3 uptake by cloud forming MP; leading to lower PAN
-|Arshad Nair (SUNY Albany)<br>Fangqun Yu (SUNY Albany)
+|Laura Yang (Harvard)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|PM2.5 and PM10 calculations: aerodynamic vs geometric diameters
+|Implement isotope simulation for CH4 in the carbon simulation
-|Shixian Zhai (Harvard)
+|Lee Murray (Rochester)
-|Aerosols
+|Chemistry
 |
+*Will have to change negative emissions from soil to a first-order loss process
 |-valign="top"
-|Updates to Hodzic SOA scheme
+|Active mesospheric chemistry
-|Jared Brewer (Harvard)
+|Helena McDonald (MIT)<br>Seb Eastham (ICL)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|Automated reduction in isoprene scheme
+|Documentation for adding additional aerosol species
-|Dan Westervelt (Lamont-Doherty)
+|Connor Barker (UCL)
-|Aerosols
+|Documentation
 |
 |-valign="top"
-|Brown carbon chemsitry
+|Column diagnostics
-|Jingqiu Mao (U. Alaska)<vr>Xuan Wang (CUHK)
+|Lizzie Lundgren (Harvard)<br>Viral Shah (GMAO)
-|Aerosols
+|Diagnostics
 |
+|-valign="top"
+|TOMAS rate diagnostics -- improve performance
+|Betty Croft (WashU/Dal)
+|Diagnostics +<br>Performance
+|
 |-valign="top"
-|GEOS resolution and subgrid convection - Part 2 RAS parameter tuning
+|Archive gamma values from heterogeneous chemistry
-|Tailong He (Toronto)<br>Dylan Jones (Toronto)<br>Andrea Molod (NASA GMAO)
+|Bob Yantosca (Harvard)
-|Convection
+|Diagnostics
 |
 |-valign="top"
-|HTAPv3 at 0.1 deg
+|RRTMG Documentation
-|Dandan Zhang (WashU)
+|GCST
-|Emissions
+|Documentation
 |
 |-valign="top"
-|Update surface methane boundary condition using NOAA flask data
+|Canopy Physics Model
-|Lee Murray (Rochester)
+|Sam Silva (MIT)
-|Input data
+|Dry Deposition
 |
 |-valign="top"
-|Provide recommended rather than hard-coded scaling factors for online emissions
+|Dry deposition diagnostics by land cover
-|Melissa Sulprizio (Harvard)
+|Holly Nowell (FSU)<br>Chris Holmes (FSU)
-|Emissions
+|Dry Deposition
 |
 |-valign="top"
-|High-res top-down TROPOMI-derived seasonal mean NOx emissions for China
+|Dry deposition process diagnostics
-|Jintai Lin (PKU)
+|Holly Nowell (FSU)<br>Chris Holmes (FSU)
-|Emissions
+|Dry Deposition
 |
 |-valign="top"
-|Updated biomass burning emission factors and species
+|Biomass burning for TOMAS
-|Jess Haskins (Utah)
+|Nicole June (CSU)
-|Emissions
+|Emissions +<br>Microphysics
 |
 |-valign="top"
-|Updated offline sea salt emissions
+|Historic biomass burning (1750-2010)
-|Hongjian Weng (PKU)
+|Pengfei (Gtech)
 |Emissions
 |
 |-valign="top"
-|New soil NOx parameterization
+|Rice methane emissions
-|Yi Wang (U. Iowa)<br>Jun Wang (U. owa)
+|Zichong Cheng (Harvard)
-|Emissions
+|Emissions+<br>Carbon simulation
 |
 |-valign="top"
-|HgII deposition too high in 13.4; Hg0 conc too low; should not use as is
+|Fire and anthropogenic emissions not currently turned on (monoterpenes, 1-butadiene etc.)
-|Viral Shah (NASA GMAO)<br>Yanxu Zhang (Nanjing U.)<br>Ari Feinberg (MIT)
+|Katie Travis (NASA)<br>Kelvin Bates (CU Boulder)
-|Hg simulation
+|Emissions
 |
 |-valign="top"
-|[https://gmd.copernicus.org/articles/13/2569/2020/ Canopy Physics Model]
+|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
-|Sam Silva (MIT)
+|Tia Scarpelli (Carbon Mapper)<br>Melissa Sulprizio (Harvard)
-|Emissions &<br>Science
+|Emissions
 |
-*DOI: [https://zenodo.org/record/3614062#.XzvrH5NKjOR 10.5281/zenodo.3614062]
-*Needs to be updated to a more recent GEOS-Chem version
 |-valign="top"
-|Python code for processing satellite output to produce column fields using averaging kernels
+|New prior CO2 biospheric fluxes from CMS-FLUX and GMAO
-|Hannah Nesser (Harvard)<br>Elise Penn (Harvard)
+|Kevin Bowman (JPL)<br>Lesley Ott (GMAO)
-|Post-processing
+|Emissions
 |
+*GMAO can provide high-resolution  fluxes (as high as 12 km)
 |-valign="top"
-|Derived products from a shapefile database for oil and gas infrastructure in North America
+|Snowpack Br2 emission
-|Lee Murray (Rochester)
+|Chris Holmes (FSU)
-|Post-processing
+|Emissions
 |
 |-valign="top"
-|Gridded EPA (GEPA) version 2 emissions for 2012-2018
+|EDGAR v8.1_toxHg emissions for 1970-2022
-|Bram Maasakkers (SRON)<br>Erin McDuffie (WashU),<br>Melissa Sulprizio (Harvard)
+|Eric Roy (MIT)
-|Emissions<br>CH4 simulation
+|Emissions
 |
 |-valign="top"
-|Reduce dimension of analytical inversion
+|Improve pressure handling in GCHP advection
-|Hannah Nesser (Harvard)
+|Yuanjian Zhang (WashU)<br>Seb Eastham (ICL)
-|Adjoint capability
+|GCHP
 |
 |-valign="top"
-|Retire all BPCH diagnostics
+|Add error trap for duplicate scale factors in HEMCO
 |Bob Yantosca (Harvard)
-|Diagnostics
+|HEMCO
 |
 |-valign="top"
-|GEOS-Chem in CESM 2.3
+|Integration testing: Add stretched grid
 |Lizzie Lundgren (Harvard)
-|Interfacing with ESMs
+|Quality Assurance
 |
 |-valign="top"
-|Assess memory leak in GCHP
+|Integration testing: Add GCAP2
-|Liam Bindle (WashU)<br>Killian Murphy (York)
+|GCST
-|Model performance
+|Quality Assurance
 |
 |-valign="top"
-|Point to internal state for species mixing ratios in GCHP and GEOS
+|Integration testing: Add GCHP mass flux run
-|Lizzie Lundgren (Harvard)<br>Christoph Keller (NASA)
+|Lizzie Lundgren (Harvard)
-|Structural
+|Quality Assurance
 |
 |-valign="top"
-|Assess precision in GCHP internal state - use R4 for some?
+|Integration testing: Add run with all diagnostics turned on
-|Lizzie Lundgren (Harvard)
+|GCST
-|Structural
+|Quality Assurance
 |
 |-valign="top"
-|Hybrid MPI-OpenMP in GCHP
+|Integration testing: Reinstate TOMAS40
-|Seb Eastham (MIT)<br>Killian Murphy (York)
+|Betty Croft (Dalhousie/WashU)
-|Model performance
+|Quality Assurance
 |
 |-valign="top"
-|Convert HEMCO input files to YAML
+|Strat-adjusted RF in GCC and GCHP
-|Melissa Sulprizio (Harvard)
+|Connor Barker (UCL)<br>Eloise Marais (UCL)
-|Structural
+|Radiation
 |
 |-valign="top"
-|Allow easy disabling of HEMCO emissions for testing
+|Continue cleanup of C-preprocessor switches
-|Melissa Sulprizio (Harvard)
+|Lizzie Lundgren (Harvard)
 |Structural
 |
 |-valign="top"
-|Improve run directory templating and creation with init_rd.sh and shared directories
+|Updates to Luo deposition scheme
-|Liam Bindle (WashU)
+|Gan Luo (Albany)
-|Run directories
+|Wet Deposition
 |
+*New version, keep as switch (not default)
 |-valign="top"
-|Expand SpeciesConc diagnostic unit options and rename
+|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
-|Melissa Sulprizio (Harvard)
+|Gan Luo (Albany)<br>Fangqun Yu (Albany)
-|Diagnostics
+|Wet Deposition
-|
-|-valign="top"
-|Incorporate tools for generating input files for Fast-J/Cloud-J and planeflight
-|Jared Brewer (Harvard)
-|Post-processing
-|
-|-valign="top"
-|Table of CTM and online GCM properties: GCHP, GCC, GEOS-CTM, GC-Nested, online GEOS, GEOS-replay, etc
-|GCST?
-|Documentation
 |
@@ Line 584: / Line 580: @@
 |-valign="top"
-|Snow / Icy Bromine
+|ML algorithms for bulk aerosol
-|Becky Alexander (UW)<br>William Swanson (U. Alaska)<br>Shuting Zhai (UW)
+|Arshad Nair (Albany)<br>Fangqun Yu (Albany)
-|Chemistry
+|Aerosols
 |
 |-valign="top"
-|Monoterpene oxidation scheme
+|Heterogeneous sulfate chemistry
-|Jessica Haskins (MIT)
+|Katie Travis (NASA)
 |Chemistry
 |
 |-valign="top"
-|Fire related VOCs including furans
+|H2 as an active species
-|Lu Hu (UMT)<br>Lixu Jin (UMT)
+|Seb Eastham (ICL)
 |Chemistry
 |
 |-valign="top"
-|Extension of UCX into the mesosphere
+|HCN, acetonitrile as fire tracers
-|Seb Eastham (MIT)<br>Eric Fleming (NASA)
+|Kevin Bates (CU Boulder)
 |Chemistry
 |
 |-valign="top"
-|Methane flux ingestion
+|Implement ethane in carbon simulation
-|Eloise Marais (UCL)
+|Yuzhong Zhang (Westlake)
 |Chemistry
 |
 |-valign="top"
-|Parameterized effective radius
+|VCPs emissions
-|Haihui Zhu (WashU)
+|Kelvin Bates (CU Boulder)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Dust non-sphericity impacts on surface chem and optical properties
+|Mesospheric source of CO
-|Inderjeet Singh (WashU)
+|Dylan Jones (UofT)<br>Pam Wales (NASA GSFC)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Size-resolved stratospheric aerosol
+|Drought-stress algorithm
-|Seb Eastham (MIT)
+|Wei Li (Houston)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Extend aerosol settling
+|Physically-based resolution correction for BVOC emissions using MEGAN
-|Eloise Marais (UCL)
+|May Fu (SUSTech)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Stratospheric aerosol APM
+|Canadian forest fire prediction system (Canada government forecast model)
-|Fangqun Yu (SUNY)
+|Robin Stevens (Montreal)
-|Aerosols
+|Emissions
 |
 |-valign="top"
-|Plume-in-grid model
+|Furan emission factors (updates existing emissions)
-|Hongwei Sun (Harvard)
+|Lu Hu (Montana)<br>Lixu Jin (Montana)
-|Chemistry
+|Emissions
 |
 |-valign="top"
-|Updated lightning NOx: Prescribe from ground and geostationary lightning flashes
+|Cooking emissions (not biofuel)
-|Lee Murray (Rochester)
+|Kelvin Bates (CU Boulder)
 |Emissions
 |
 |-valign="top"
-|Seb aircraft emissions beyond recent 2019 update
+|State-specific annual emissions scaling factors (US) (1990-2021)
-|Seb Eastham (MIT)
+|Ishir Dutta (MIT)
 |Emissions
 |
 |-valign="top"
-|FRP-based fire emsisions for eastern US at 0.2	deg
+|GISS-GC online
-|Charlie Fite (FSU)
+|Lee Murray (Rochester)
-|Emissions
+|External model
 |
 |-valign="top"
-|Hg iodine chemistry
+|Hybrid MPI-OpenMP in GCHP
-|Yiming Fu<br>Yanxu Zhang (Nanjing U.)
+|Seb Eastham (MIT)<br>Killian Murphy (York)<br>Lizzie Lundgren (Harvard)
-|Hg simulation
+|GCHP
 |
 |-valign="top"
-|Hg simulation in GCHP
+|MAPL3: Update to MAPL3 in GCHP, including replacement of ExtData.rc and HISTORY.rc with YAML files
-|Ari Feinberg (MIT)<br>Lyssa Freese (MIT)
+|Lizzie Lundgren (Harvard)
-|Hg simulation
+|GCHP
 |
 |-valign="top"
-|Update Hg ocean and soil boundary conditions for consistency with new chemistry
+|MAPL3: Comply with MAPL "positive" standard in GCHP diagnostic files
-|Yanxu Zhang (Nanjing U.)
+|Lizzie Lundgren (Harvard)
-|Hg simulation
+|GCHP
 |
 |-valign="top"
-|Dry deposition diagnostics by land cover
+|MAPL3: Wildcards in GCHP History
-|Holly Nowell (FSU)
+|Lizzie Lundgren (Harvard)
-|Diagnostics
+|GCHP
 |
 |-valign="top"
-|Dry deposition process diagnostics
+|MAPL3: Output emissions with positive up convention in GCHP
-|Holly Nowell (FSU)
+|Lizzie Lundgren (Harvard)
-|Diagnostics
+|GCHP
 |
 |-valign="top"
-|Isotope simulation for CO and CH4 in GCHP
+|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
-|Lee Murray (Rochester)
+|Bob Yantosca (Harvard)
-|Carbon simulation
+|Performance
 |
 |-valign="top"
-|Updated bottom-up global CH4 oil, gas, and coal emissions (GFEI v3)
+|Photophysical oxidation of aldehydes
-|Melissa Sulprizio (Harvard)<br>Tia Scarpelli (U. Edinburgh)<br>Zichong Chen (Harvard)
+|Paulo Sebastianelli (Wollongong)<br>Jenny Fisher (Wollongong)
-|Emissions<br>CH4 simulation
+|Chemistry
 |
 |-valign="top"
-|CHEEREIO EnKF
+|DMS updates
-|Drew Pendergrass (Harvard)
+|Will Porter (UCR)
-|Adjoint capabilities
+|Chemistry
 |
 |-valign="top"
-|Separate mixing and emissions
+|Furans emission and chemistry
-|Bob Yantosca (Harvard)
+|Lixu Jin (Montana)<br>Lu Hu (Montana)
-|Structural
+|Chemistry + <br>Emissions
 |
 |-valign="top"
-|Modularization of aerosols code for interface with GOCART in GEOS
+|Cl2 prodcution from Fe aerosol
-|Christoph Keller (GMAO)
+|Qianjie Chen (HK Poly)<br>Becky Alexander (UW)
-|Structural
+|Chemistry
 |
 |-valign="top"
-|Migrating simple SOA formation from carbon_mod.F90 into the KPP "full-chemistry" mechanism
+|VCP, cooking: tracers species added i.e., D5, ethanol affecting PAN
-|Bob Yantosca (Harvard)
+|Kevin Bates (CU Boulder)
-|Structural
+|Emissions
 |
 |-valign="top"
-|Improve load balancing in GCHP
+|bidirectional land-atmosphere exchange for Hg
-|Seb Eastham (MIT)
+|Yuying Cui (MIT/Tsinghua)
-|Model performance
+|Hg simulation
 |
 |-valign="top"
-|Update to MAPL 3 in GCHP, including replacement of ExtData.rc with YAML file
+|OH covariances for inversions
-|Lizzie Lundgren (Harvard)
+|Elise Penn (Harvard)
-|Structural
+|Inversions
 |
 |-valign="top"
-|Assessment/improvement of OpenMP performance in GC-Classic and HEMCO standalone
+|CESM2-GC offline
-|Bob Yantosca (Harvard)
+|Seb Eastham (ICL)<br>Lee Murray (Rochester)
-|Model performance
+|Met fields
 |
 |-valign="top"
-|Limit allocation of State_Met to what is needed per simulation
+|Re-binning of off-line sea salt and dust for TOMAS
-|Melissa Sulprizio (Harvard)
+|Betty Croft (Dalhousie)
-|Structural
+|Microphysics
 |
 |-valign="top"
-|Make frequency of HEMCO restart file configurable
+|TOMAS nucleation updates
-|Melissa Sulprizio (Harvard)
+|Sam O'Donnell (CSU)
-|Diagnostics
+|Microphysics
 |
 |-valign="top"
-|Apply masks/scaling in HEMCO based on input category or flag
+|Stratospheric aerosol APM
-|Melissa Sulprizio (Harvard)
+|Fangqun Yu (SUNY Albany)
+|Microphysics
+|
+|-valign="top"
+|Transition from MERRA-2 to GEOS-IT for benchmarking
+|Yuanjian Zhang (WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Automate integration testing on AWS
+|Yidan Tang (WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Add across end of year run
+|GCST
+|Quality Assurance
+|
+|-valign="top"
+|Integration testing: Add GEOS-IT
+|Yuanjian Zhang (WashU)
+|Quality Assurance
+|
+|-valign="top"
+|Separate mixing, emissions, and drydep
+|Yuanjian Zhang (WashU)
 |Structural
 |
 |-valign="top"
-|Testing the use of monthly mean MERRA-2 CWC with Pb-210 aerosol tracer
+|Intel IFX compiler
-|Bo Zhang (NIA)<br>Hongyu Liu (NIA / NASA Langley)
+|Bob Yantosca (Harvard)
-|Transport
+|Structural
 |
 |-valign="top"
-|Testing the use of a new scavenging parameterization developed by Luo and Yu for cold cloud with Pb-210 aerosol tracer
+|CMake option to only build libraries but not executable, also passing C-preprocessor statements to turn off code
-|Gan Luo (SUNY Albany)<br>Fangqun Yu (SUNY-Albany)
+|Bob Yantosca (Harvard)<br>Lee Murray (Rochester)
-|Transport
+|Structural
 |
 |-valign="top"
-|Evaluate vertical mixing in GEOS-Chem with model-model and model-observation comparisons
+|Remove differences introduced when breaking up GC-Classic runs in time; and flexible precision in HEMCO
-|Seb Eastham (MIT)<br>Clara Orbe (NASA GISS)<br>Andrew Schuh (CSU)
+|Lizzie Lundgren (Harvard)
-|Transport
+|Structural
+|
+|-valign="top"
+|Limit allocation of State_Met to what is needed per simulation
+|Melissa Sulprizio (Harvard)
+|Structural
 |
@@ Line 801: / Line 833: @@
 |-valign="top"
-|Updates to Aromatic chemistry
+|Modal aerosol model (MAM7) in GCHP
-|Stephen MacFarlane (UOW)<br>Jenny Fisher (UOW)
+|Shreya Sharma (MIT)
-|Chemistry
+|Aerosols
 |
 |-valign="top"
-|Nitrate photolysis
+|Online OCIM ocean biogeochemistry
-|Mat Evans (York)<br>Thomas Sherwen (York)<br>Matthew Rowlinson (York)
+|Lee Murray (Rochester)<br>Hannah Horowitz (UIUC)<br>Chris Holmes (FSU)
 |Chemistry
 |
 |-valign="top"
-|In aerosol chemistry Halogens
+|Perchlorate chemistry
-|Mat Evans (York)<br>Hansen Cao (CU Boulder)
+|Yuk Chun Chan (UW)
 |Chemistry
 |
 |-valign="top"
-|Benchmark box model of GC Chemistry
+|Non-stomatal dry deposition (2-layer canopy model)
-|Katie Travis (NASA)
+|Michael Vermeuel (Purdue)
-|Chemistry
+|Dry Deposition
 |
 |-valign="top"
-|Alkyl nitrates Alk7, PHAN
+|Continental chloride particle emissions (salty dust, road salt)
-|Katie Travis (NASA)
+|Jessica Haskins (Utah)
+|Emissions
+|
+|-valign="top"
+|Multivolatility emission inventory to address gaps in EDGAR/HTAP etc.
+|Ruochong (Tshingua)
+|Emissions
+|
+|-valign="top"
+|Lightning NOx production rates
+|Bex Horner (UCL)
+|Emissions
+|
+|-valign="top"
+|HFO and CF3CHO
+|Beth Killen (Wollongong)<br>Jenny Fisher (Wollongong)
 |Chemistry
 |
 |-valign="top"
-|Add stratospheric ozone species to full-chemistry simulations
+|Glyoxal updates from isoprene
-|Lee Murray (Rochester)
+|Tzung-May Fu (SUSTech)
 |Chemistry
 |
 |-valign="top"
-|Perchlorate chemistry
+|Iodine chemistry
-|Yuk Chun Chan (UWAB)
+|Becky Alexander (UW)<br>Xuan Wang (CUHK)
 |Chemistry
 |
 |-valign="top"
-|Explicit heterogeneous sulfate chemistry
+|Chlorine/Perchlorate
-|Katie Travis (NASA)<br>Becky Alexander (UT)
+|Yukchun Chan (UW)
 |Chemistry
 |
 |-valign="top"
-|ISORROPIA-lite
+|Playa dust chemistry to improve Cl over land
-|Becky Alexander (UW)
+|Jessica Haskins (Utah)
-|Aerosols
+|Chemistry
 |
 |-valign="top"
-|HOx and ozone "emissions" from lightning as option in model to play with
+|GFED5 biomass burning
-|Jingqiu (Alaska)<br>Lee Murray (Rochester)
+|Eric Roy (MIT)
 |Emissions
 |
 |-valign="top"
-|Sea salt aerosol from sea ice leads
+|Ocean Hg surface concentrations for 2010-2020 from multi-model ensemble
-|Hannah Horowitz (U. Illinois)
+|Eric Roy (MIT)<br>Ari Feinberg (IQF-CSIC)
-|Emissions
+|Hg simulation
 |
 |-valign="top"
-|Drought-stress algorithm
+|Soil Hg emissions 2010-2020
-|Wei Li (U. Houston)
+|Eric Roy (MIT)<br>Ari Feinberg (IQF-CSIC)
+|Hg simulation
 |
+|-valign="top"
+|Air-sea exchange parameterization
+|Eric Roy (MIT)
+|Hg simulation
 |
 |-valign="top"
-|Biomass burning injection height profiles
+|Soil Hg emissions parameterization
-|Inderjeet Singh (WashU)
+|Ari Feinberg (IQF-CSIC)
-|Emissions
+|Hg simulation
 |
 |-valign="top"
-|OCIM integration
+|Sea salt uptake of GOM
-|Chris Holmes (FSU)<br>Lee Murray (Rochester)
+|Eric Roy (MIT)
+|Hg simulation
 |
+|-valign="top"
+|Photoreduction rate constant
+|Eric Roy (MIT)
+|Hg simulation
 |
 |-valign="top"
-|Updating landcover products in GEOS-Chem
+|new observations (2010-2020) in standardized Hg benchmark for intercomparison
-|Chris Holmes (FSU)<br>Jeff Geddes (BU)
+|Eric Roy (MIT)/Ari Feinberg (IQF-CSIC)
+|Hg simulation
+|
+|-valign="top"
+|Hg simulation in GCHP
+|Eric Roy (MIT)
+|Hg simulation
+|
+|-valign="top"
+|OCIM - biogeochemical model - (C/P/N/Fe - no Hg yet) (MATLAB)
+|Hannah Horowitz (UIUC)
+|Hg simulation
+|
+|-valign="top"
+|possibly updating Hg oxidation chemistry based on Utah field campaigns
+|Jessica Haskins (Utah)
+|Hg simulation
+|
+|-valign="top"
+|New halogen/aerosol fields (surface area / AOD) from 10-year 14.4 benchmark simulation available online
+|Viral Shah (NASA GMAO); Eric Roy (MIT); Ari Feinberg (IQF-CSIC)
 |Input data
 |
 |-valign="top"
-|Dry deposition physical improvement
+|Extend IMI to CO2 (ICI)
-|Chris Holmes (FSU)
+|Hannah Nesser (JPL)
-|Dry deposition
+|Inversions
+|
 |-valign="top"
-|Extend the IMI system to other trace gases
+|Global emission inventory of metals
-|Lucas Estrada (Harvard)
+|Tzung-May Fu (SUSTech); He Zhong Tian (Peking Normal U)
-|Adjoint capabilities
+|Metals simulation
 |
+|-valign="top"
+|Investigate and improve performance of aerosol chemistry
+|Bob Yantosca (Harvard)
+|Performance
+|
 |-valign="top"
-|TOMAS WRF-GC in regional Thailand simulation
+|PAH - update from version 11
-|Win Trivitayanurak (Chulalongkorn U)
+|Lexia Cicone (MIT)
-|Aerosols
+|POPs simulation
 |
-|}
+|-valign="top"
+|Species database more accessible; doc updates; TOL discussion
+|Jessica Haskins (Utah)
+|Structural
+|
-----------------
+|-valign="top"
+|Stretched-grid plotting in GCPy
+|Killian Murphy (York)
+|Tools
+|
-'''''[[Main_Page|GEOS-Chem Main Page]] | [[GCHP_Main_Page|GCHP Main Page]]'''''
+|-valign="top"
+|Model inter-comparison of transport (GEOS, GCHP, GCClassic)
+|Lizzie Lundgren (Harvard), Emma Knowland (NASA)
+|Transport
+|
+|-valign="top"
+|Comparing mass fluxes in GCHP vs. traditional lat/lon wind
+|Yuanjian Zhang (WashU), Seb Eastham (ICL)
+|Transport
+|
+|}